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Hi, i have this board very clean, no green led (PSU and official charger) I have PPBUS_G3H=12,27V PP3V42_G3H_REG=3,42V DCIN_ISOL_GATE = 6,8V PP18V5_DCIN_ISOL = 18,5V SYS_ONEWIRE=2,85V ??? R7012 = 68Kohm thanks

Ok thanks i change U3200, the problem is solved.

Hi, i have this board without external display. it work well on the internal display, but my customer need to work on external display. No liquid, very clean board. i have PP3V3_TBTLC = 1,1V, where is generated this power supply, on U1900? thanks

I change again Q8102 & U8110 in same time. the mac is work well now. thanks 2informaticos

hi 2informaticos, i change U8110 but still same. 13:5,116V 14:5,119V 3: 2,75V 6:0V 9:0V i try to restore the mac in dfu, stay black.

yes it's a french store, serious. i try to order. i receive it tomorow.

can i find the component ISL95870HRUZ on another (820-01041 and 820-00850) because i haven't this board? is it the good component on farnell ? thanks

U8110 13:5,116V 14:5,119V 3: 2,75V 6:0V 9:0V CPU_VCCIOSENSE_P=0V i try to find this component another board and come back for more thanks for your help

yes i replace Q8102 by donor board Q7430 00045 but no boot. i check tomorrow for more informations.

i find the mac in DFU now, is it normal? i have PPVCCIO_S0_CPU=0v, i don't know is it normal? i take a component on 820-00045 (Q7430), i think is same, is it true?

i remove Q1802 and i thing i have a short on PPVCCIO_S0_CPU (diode mode 0,036 on L8102) CPU dead?

ok thanks, Q8102 is short PPBUS to PPVCCIO_S0_CPU sorry my board is 01987 i try to find a new component on a donor board and i come back after

hi 2informaticos, thanks for your quick reply i have only L8102 with the same value (0,044) ok thanks for dfu informations

Hi, i have this board, no liquid, i try in DFU but nothing. i have input 5V 0A (usb-c tester), PPBUS=0,343V, 0,046 in diode mode PPDCIN_G3H = 5V How can i find the problem please? thanks best regards

seems a bad hole broken, near CPU, i don't waste more time. thanks

hi, I'm working on an 820-00840 board now, this board have a liquid spill. i clean it with ultrasonic and change some broken component (like C3891,C3890,C3892, U3890) pp3v3_g3h: 3.4v ppbus_g3h: 13.06v all_sys_pwrgd: 3.22v pp2v9_sysclk: 3.0v pp3v1_rtc: 3.09v pm_slp_s0_l: 3.3v GTVR_FCCM: .022v USB...

I try again in DFU with another macbook pro, i have always the same error.

sorry finally PP1V1_SLPS2R = 1,1V and PP0V9_SLPS2R=0,89V

i try to put in DFU but i have an error when i try to restore, i attach the message. i have PP1V8_SLPS2R=1,78V , PP0V8_SLPS2R=0,8V but not PP1V1_SLPS2R=0V

Hi, i have this board very clean, no liquid, stop to work in use. i have the 20V on usb-c, the current is cycling between 0,029A and 0,600A PPBUS_G3H =10,92V too low no? battery+power supply. PP3V3_G3H_RTC_X=3,39 PP3V3_G3H_RTC_T=3,36 PP3V3_S5 missing not short PP1V8_S5 missing not short...